#custom-gallery-promo {
    text-align:center;
}

#custom-gallery-promo .promo-button {
    background: #23a1c9;
    color: #fff;
    display:inline-block;
    padding:11px;
    -moz-border-radius:3px;
    -webkit-border-radius:3px;
    border-radius:3px;
    text-decoration:none;
}

#custom-gallery-promo .promo-button .amount {
    background: #1c8fb4;
    -moz-border-radius:2px;
    -webkit-border-radius:2px;
    border-radius:2px;
    padding:4px 8px;
}

#custom-gallery-promo .promo-button:hover {
    background: #2eaed6;
}